Clinical Chemistry
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Clinical Chemistry 18: 1312-1317, 1972;
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Clinical Chemistry, Vol 18, 1312-1317, Copyright © 1972 by the American Association for Clinical Chemistry

An Improved Delves Cup Atomic Absorption Procedure for Determination of Lead in Blood and Urine

Eugene D. Olsen 1 and Peter I. Jatlow 1

1 Department of Laboratory Medicine, Yale University School of Medicine, and the Department of Clinical Laboratories, Yale-New Haven Medical Center, New Haven, Conn. 06510.

The Delves [Analyst (London) 95, 431 (1970)] cup atomic absorption procedure for determination of lead in blood has been studied in detail and modified to permit the direct use of aqueous standards. Precision has been improved by stabilizing the burner mount. The small nonspecific absorption is caused by molecular sodium chloride and potassium chloride, and can be compensated for by including sodium chloride in the aqueous standards. If the cups are pre-coated with albumin, aqueous standards can be used and the more complicated method of additions is obviated. A similar technique was used to examine the analysis of lead in urine.


Key Words: extraction-flame atomic absorption, results compared • lead poisoning • nonspecific absorption of blood • albumin coating of cups

Submitted on June 26, 1972
Accepted on July 13, 1972




The following articles in journals at HighWire Press have cited this article:


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D. J. Lisk
Recent Developments in the Analysis of Toxic Elements
Science, June 14, 1974; 184(4142): 1137 - 1141.
[Abstract] [PDF]


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Copyright © 1972 by the American Association for Clinical Chemistry.